Softphone and IVR

I'm configuring a softphone (Zoiper) for our upcoming vacation. I seem to be having an issue interacting with IVR systems. I need to chose one of the following:

DTMF RFC-2833
DTMF SIP INFO
DTMF Inband

and, I'm fairly certain I tried all three without success. I'm open to using a different softphone (e.g. X-Lite).

Any kind of feedback would be appreciated.

Quote:

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Originally Posted by Russell

I'm configuring a softphone (Zoiper) for our upcoming vacation. I seem to be having an issue interacting with IVR systems. I need to chose one of the following:

DTMF RFC-2833
DTMF SIP INFO
DTMF Inband

and, I'm fairly certain I tried all three without success. I'm open to using a different softphone (e.g. X-Lite).

Any kind of feedback would be appreciated.

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Russell,
FWIW, I could not check voice mail (on our answering machine) from aruba via VOIPo on my Nokia E51 (wifi)
I tried various DTMF settings, and it was no go; however, I did not have any problem calling her folks
Cheers,
-v

I know VOIPo recommends that you use http://www.counterpath.com/ Its free and seems to run great with VOIPo service!